| New Smyrna Beach to Cocentaina | 4,520.23 mi (7,274.61 km) |
| New Smyrna Beach to Coin | 4,340.13 mi (6,984.76 km) |
| New Smyrna Beach to Colindres | 4,278.36 mi (6,885.35 km) |
| New Smyrna Beach to Collado-Villalba | 4,300.57 mi (6,921.10 km) |
| New Smyrna Beach to Colmenar Viejo | 4,312.33 mi (6,940.02 km) |
| New Smyrna Beach to Colmenarejo | 4,301.50 mi (6,922.59 km) |
| New Smyrna Beach to Conil de la Frontera | 4,277.44 mi (6,883.88 km) |
| New Smyrna Beach to Consuegra | 4,343.46 mi (6,990.13 km) |
| New Smyrna Beach to Corbera de Llobregat | 4,580.41 mi (7,371.46 km) |
| New Smyrna Beach to Cordoba | 4,313.96 mi (6,942.65 km) |
| New Smyrna Beach to Coria del Rio | 4,259.10 mi (6,854.36 km) |
| New Smyrna Beach to Crevillente | 4,512.23 mi (7,261.72 km) |
| New Smyrna Beach to Cuarte de Huerva | 4,436.57 mi (7,139.97 km) |
| New Smyrna Beach to Cubellas | 4,572.29 mi (7,358.39 km) |
| New Smyrna Beach to Cuellar | 4,271.12 mi (6,873.70 km) |
