| Richterswil to Cortona | 315.74 mi (508.13 km) |
| Richterswil to Cosenza | 665.27 mi (1,070.65 km) |
| Richterswil to Cossato | 116.80 mi (187.97 km) |
| Richterswil to Costa Volpino | 116.60 mi (187.65 km) |
| Richterswil to Creazzo | 176.42 mi (283.93 km) |
| Richterswil to Crema | 136.17 mi (219.14 km) |
| Richterswil to Cremona | 157.44 mi (253.38 km) |
| Richterswil to Crevalcore | 208.98 mi (336.31 km) |
| Richterswil to Crispiano | 623.31 mi (1,003.12 km) |
| Richterswil to Crosia | 665.12 mi (1,070.42 km) |
| Richterswil to Crotone | 703.25 mi (1,131.77 km) |
| Richterswil to Cuneo | 203.45 mi (327.42 km) |
| Richterswil to Cuorgne | 135.82 mi (218.58 km) |
| Richterswil to Cusano Milanino | 117.44 mi (189.00 km) |
| Richterswil to Cutro | 702.12 mi (1,129.95 km) |
