| Quincy to Carmona | 3,397.87 mi (5,468.34 km) |
| Quincy to Cartagena | 3,618.85 mi (5,823.97 km) |
| Quincy to Cartama | 3,471.04 mi (5,586.10 km) |
| Quincy to Cartaya | 3,329.48 mi (5,358.28 km) |
| Quincy to Caspe | 3,548.02 mi (5,709.99 km) |
| Quincy to Cassa de la Selva | 3,661.93 mi (5,893.31 km) |
| Quincy to Castalla | 3,601.14 mi (5,795.47 km) |
| Quincy to Castellbisbal | 3,633.89 mi (5,848.17 km) |
| Quincy to Castelldefels | 3,639.81 mi (5,857.71 km) |
| Quincy to Castello de Ampurias | 3,659.53 mi (5,889.45 km) |
| Quincy to Castellon de la Plana | 3,586.97 mi (5,772.68 km) |
| Quincy to Castilleja de la Cuesta | 3,380.17 mi (5,439.85 km) |
| Quincy to Catarroja | 3,587.88 mi (5,774.13 km) |
| Quincy to Catral | 3,608.96 mi (5,808.06 km) |
| Quincy to Caudete | 3,582.53 mi (5,765.52 km) |
