| Royston to Collegno | 592.97 mi (954.29 km) |
| Royston to Cologno al Serio | 627.49 mi (1,009.85 km) |
| Royston to Cologno Monzese | 617.13 mi (993.17 km) |
| Royston to Colorno | 683.21 mi (1,099.52 km) |
| Royston to Comacchio | 754.11 mi (1,213.62 km) |
| Royston to Comiso | 1,262.57 mi (2,031.91 km) |
| Royston to Como | 596.26 mi (959.59 km) |
| Royston to Concordia Sagittaria | 726.23 mi (1,168.76 km) |
| Royston to Concorezzo | 615.68 mi (990.85 km) |
| Royston to Conegliano | 700.82 mi (1,127.87 km) |
| Royston to Conselice | 751.74 mi (1,209.82 km) |
| Royston to Conselve | 716.86 mi (1,153.67 km) |
| Royston to Conversano | 1,112.95 mi (1,791.11 km) |
| Royston to Copertino | 1,181.52 mi (1,901.48 km) |
| Royston to Copparo | 732.28 mi (1,178.49 km) |
