| Royston to Busto Arsizio | 599.59 mi (964.94 km) |
| Royston to Busto Garolfo | 604.10 mi (972.20 km) |
| Royston to Cabras | 930.76 mi (1,497.92 km) |
| Royston to Cadelbosco di Sopra | 698.86 mi (1,124.70 km) |
| Royston to Cadoneghe | 708.60 mi (1,140.38 km) |
| Royston to Cagli | 828.71 mi (1,333.69 km) |
| Royston to Cagliari | 987.69 mi (1,589.53 km) |
| Royston to Cairo Montenotte | 650.78 mi (1,047.32 km) |
| Royston to Caivano | 1,021.87 mi (1,644.54 km) |
| Royston to Calcinaia | 758.06 mi (1,219.97 km) |
| Royston to Calcinato | 656.99 mi (1,057.33 km) |
| Royston to Calderara di Reno | 730.67 mi (1,175.90 km) |
| Royston to Caldogno | 686.18 mi (1,104.30 km) |
| Royston to Calenzano | 764.72 mi (1,230.70 km) |
| Royston to Calolziocorte | 607.75 mi (978.08 km) |
