continental
transcontinental highway
transcontinental missile
transcontinental railroad
circuitous
cross-country
east-west
fastest-selling
fuel-efficient
intercity
intercontinental
interstate
long-distance
narrow gauge
outbound
sight-seeing
southward
transatlantic
transmontane
two-lane
underground
well-trodden
west-bound
westbound
Occidental
Oriental
accidental
coincidental
compartmental
dental
departmental
detrimental
developmental
elemental
environmental
experimental
fennel
fundamental
gentle
governmental
incidental
incremental
instrumental
intergovernmental
judgemental
judgmental
kennel
lentil
mental
monumental
nongovernmental
occidental
oriental
ornamental
pancontinental
parental
phenol
regimental
rental
sentimental
supplemental
temperamental
transcendental
unsentimental