| Royston to Corinth (Mississippi) | 4,304.12 mi (6,926.82 km) |
| Royston to Corinth (Texas) | 4,726.83 mi (7,607.10 km) |
| Royston to Cornelius (North Carolina) | 3,973.63 mi (6,394.94 km) |
| Royston to Cornelius (Oregon) | 4,896.70 mi (7,880.48 km) |
| Royston to Corning (New York) | 3,513.06 mi (5,653.72 km) |
| Royston to Corona (California) | 5,408.40 mi (8,703.98 km) |
| Royston to Coronado (California) | 5,464.04 mi (8,793.52 km) |
| Royston to Corpus Christi (Texas) | 5,024.06 mi (8,085.45 km) |
| Royston to Corsicana (Texas) | 4,759.21 mi (7,659.21 km) |
| Royston to Cortland (New York) | 3,458.54 mi (5,565.97 km) |
| Royston to Corvallis (Oregon) | 4,957.76 mi (7,978.74 km) |
| Royston to Coshocton (Ohio) | 3,786.88 mi (6,094.39 km) |
| Royston to Costa Mesa (California) | 5,430.72 mi (8,739.90 km) |
| Royston to Coto de Caza (California) | 5,424.32 mi (8,729.61 km) |
| Royston to Cottage Grove (Minnesota) | 3,989.99 mi (6,421.27 km) |
