| Euclid to Cuenca | 3,993.63 mi (6,427.12 km) |
| Euclid to Cuevas del Almanzora | 4,103.77 mi (6,604.39 km) |
| Euclid to Cullera | 4,112.33 mi (6,618.16 km) |
| Euclid to Culleredo | 3,605.49 mi (5,802.48 km) |
| Euclid to Cunit | 4,125.89 mi (6,639.98 km) |
| Euclid to Daganzo de Arriba | 3,917.45 mi (6,304.52 km) |
| Euclid to Daimiel | 3,959.40 mi (6,372.04 km) |
| Euclid to Don Benito | 3,858.62 mi (6,209.85 km) |
| Euclid to Donostia | 3,892.96 mi (6,265.12 km) |
| Euclid to Dos Hermanas | 3,912.36 mi (6,296.34 km) |
| Euclid to Durango | 3,868.90 mi (6,226.39 km) |
| Euclid to Ecija | 3,943.67 mi (6,346.72 km) |
| Euclid to Ejea de los Caballeros | 3,969.77 mi (6,388.73 km) |
| Euclid to El Alamo | 3,903.12 mi (6,281.47 km) |
| Euclid to El Arahal | 3,930.68 mi (6,325.82 km) |
