| Solothurn to Colchester | 438.58 mi (705.82 km) |
| Solothurn to Coleford | 553.53 mi (890.83 km) |
| Solothurn to Colne | 625.16 mi (1,006.09 km) |
| Solothurn to Colwyn Bay | 648.59 mi (1,043.80 km) |
| Solothurn to Congleton | 594.67 mi (957.02 km) |
| Solothurn to Conisbrough | 579.16 mi (932.07 km) |
| Solothurn to Connahs Quay | 624.27 mi (1,004.67 km) |
| Solothurn to Consett | 664.90 mi (1,070.05 km) |
| Solothurn to Conwy | 652.55 mi (1,050.18 km) |
| Solothurn to Cookstown | 803.70 mi (1,293.43 km) |
| Solothurn to Corby | 516.31 mi (830.92 km) |
| Solothurn to Corfe Mullen | 497.20 mi (800.17 km) |
| Solothurn to Corsham | 525.10 mi (845.07 km) |
| Solothurn to Coseley | 564.03 mi (907.72 km) |
| Solothurn to Cosham | 462.72 mi (744.67 km) |
