| Riga to Cortona | 1,083.02 mi (1,742.95 km) |
| Riga to Cosenza | 1,270.13 mi (2,044.07 km) |
| Riga to Cossato | 1,040.58 mi (1,674.64 km) |
| Riga to Costa Volpino | 973.25 mi (1,566.29 km) |
| Riga to Creazzo | 956.00 mi (1,538.53 km) |
| Riga to Crema | 1,011.08 mi (1,627.18 km) |
| Riga to Cremona | 1,015.73 mi (1,634.66 km) |
| Riga to Crevalcore | 1,013.13 mi (1,630.48 km) |
| Riga to Crispiano | 1,170.72 mi (1,884.10 km) |
| Riga to Crosia | 1,245.83 mi (2,004.97 km) |
| Riga to Crotone | 1,274.37 mi (2,050.90 km) |
| Riga to Cuneo | 1,125.06 mi (1,810.61 km) |
| Riga to Cuorgne | 1,065.04 mi (1,714.02 km) |
| Riga to Cusano Milanino | 1,013.71 mi (1,631.41 km) |
| Riga to Cutro | 1,279.30 mi (2,058.83 km) |
