| Seymour to Cloverleaf (Texas) | 824.05 mi (1,326.18 km) |
| Seymour to Cloverly (Maryland) | 477.19 mi (767.97 km) |
| Seymour to Clovis (California) | 1,837.93 mi (2,957.86 km) |
| Seymour to Clovis (New Mexico) | 1,006.04 mi (1,619.06 km) |
| Seymour to Clute (Texas) | 874.42 mi (1,407.25 km) |
| Seymour to Coachella (California) | 1,714.52 mi (2,759.25 km) |
| Seymour to Coalinga (California) | 1,885.03 mi (3,033.67 km) |
| Seymour to Coamo (Puerto Rico) | 1,858.07 mi (2,990.27 km) |
| Seymour to Coatesville (Pennsylvania) | 541.65 mi (871.71 km) |
| Seymour to Cockeysville (Maryland) | 496.95 mi (799.76 km) |
| Seymour to Cocoa (Florida) | 786.85 mi (1,266.32 km) |
| Seymour to Cocoa Beach (Florida) | 793.06 mi (1,276.31 km) |
| Seymour to Coconut Creek (Florida) | 935.58 mi (1,505.66 km) |
| Seymour to Coeur d'Alene (Idaho) | 1,653.35 mi (2,660.81 km) |
| Seymour to Cohoes (New York) | 688.51 mi (1,108.05 km) |
