| Round Rock to Cuenca | 5,162.36 mi (8,308.02 km) |
| Round Rock to Cuevas del Almanzora | 5,264.67 mi (8,472.66 km) |
| Round Rock to Cullera | 5,280.84 mi (8,498.69 km) |
| Round Rock to Culleredo | 4,776.55 mi (7,687.11 km) |
| Round Rock to Cunit | 5,300.34 mi (8,530.07 km) |
| Round Rock to Daganzo de Arriba | 5,086.04 mi (8,185.18 km) |
| Round Rock to Daimiel | 5,123.60 mi (8,245.64 km) |
| Round Rock to Don Benito | 5,019.35 mi (8,077.86 km) |
| Round Rock to Donostia | 5,068.44 mi (8,156.87 km) |
| Round Rock to Dos Hermanas | 5,066.61 mi (8,153.93 km) |
| Round Rock to Durango | 5,043.77 mi (8,117.16 km) |
| Round Rock to Ecija | 5,100.32 mi (8,208.17 km) |
| Round Rock to Ejea de los Caballeros | 5,143.85 mi (8,278.23 km) |
| Round Rock to El Alamo | 5,070.28 mi (8,159.83 km) |
| Round Rock to El Arahal | 5,085.50 mi (8,184.33 km) |
