| Solothurn to Cuenca | 690.71 mi (1,111.58 km) |
| Solothurn to Cuevas del Almanzora | 835.64 mi (1,344.83 km) |
| Solothurn to Cullera | 679.95 mi (1,094.28 km) |
| Solothurn to Culleredo | 818.90 mi (1,317.90 km) |
| Solothurn to Cunit | 507.91 mi (817.40 km) |
| Solothurn to Daganzo de Arriba | 714.47 mi (1,149.83 km) |
| Solothurn to Daimiel | 793.29 mi (1,276.67 km) |
| Solothurn to Don Benito | 882.56 mi (1,420.35 km) |
| Solothurn to Donostia | 534.70 mi (860.52 km) |
| Solothurn to Dos Hermanas | 969.27 mi (1,559.89 km) |
| Solothurn to Durango | 567.78 mi (913.76 km) |
| Solothurn to Ecija | 926.36 mi (1,490.82 km) |
| Solothurn to Ejea de los Caballeros | 551.74 mi (887.93 km) |
| Solothurn to El Alamo | 749.83 mi (1,206.73 km) |
| Solothurn to El Arahal | 956.91 mi (1,540.01 km) |
