| Seaham to Cuenca | 1,021.42 mi (1,643.82 km) |
| Seaham to Cuevas del Almanzora | 1,212.15 mi (1,950.77 km) |
| Seaham to Cullera | 1,084.29 mi (1,745.00 km) |
| Seaham to Culleredo | 858.54 mi (1,381.68 km) |
| Seaham to Cunit | 952.35 mi (1,532.65 km) |
| Seaham to Daganzo de Arriba | 992.58 mi (1,597.41 km) |
| Seaham to Daimiel | 1,093.81 mi (1,760.32 km) |
| Seaham to Don Benito | 1,117.56 mi (1,798.54 km) |
| Seaham to Donostia | 796.47 mi (1,281.80 km) |
| Seaham to Dos Hermanas | 1,232.10 mi (1,982.88 km) |
| Seaham to Durango | 808.48 mi (1,301.12 km) |
| Seaham to Ecija | 1,208.67 mi (1,945.17 km) |
| Seaham to Ejea de los Caballeros | 878.28 mi (1,413.45 km) |
| Seaham to El Alamo | 1,016.79 mi (1,636.36 km) |
| Seaham to El Arahal | 1,230.31 mi (1,979.99 km) |
