| Sonsbeck to Cosenza | 973.84 mi (1,567.24 km) |
| Sonsbeck to Cossato | 425.38 mi (684.58 km) |
| Sonsbeck to Costa Volpino | 433.66 mi (697.90 km) |
| Sonsbeck to Creazzo | 480.05 mi (772.57 km) |
| Sonsbeck to Crema | 456.98 mi (735.43 km) |
| Sonsbeck to Cremona | 477.70 mi (768.79 km) |
| Sonsbeck to Crevalcore | 524.28 mi (843.74 km) |
| Sonsbeck to Crispiano | 919.30 mi (1,479.46 km) |
| Sonsbeck to Crosia | 969.78 mi (1,560.70 km) |
| Sonsbeck to Crotone | 1,008.04 mi (1,622.28 km) |
| Sonsbeck to Cuneo | 502.16 mi (808.15 km) |
| Sonsbeck to Cuorgne | 433.62 mi (697.84 km) |
| Sonsbeck to Cusano Milanino | 437.76 mi (704.50 km) |
| Sonsbeck to Cutro | 1,007.85 mi (1,621.99 km) |
| Sonsbeck to Cutrofiano | 974.15 mi (1,567.73 km) |
