| Royston to Hutchinson (Minnesota) | 4,038.01 mi (6,498.55 km) |
| Royston to Hutto (Texas) | 4,881.54 mi (7,856.08 km) |
| Royston to Hyattsville (Maryland) | 3,651.49 mi (5,876.50 km) |
| Royston to Hybla Valley (Virginia) | 3,666.35 mi (5,900.41 km) |
| Royston to Idaho Falls (Idaho) | 4,695.04 mi (7,555.93 km) |
| Royston to Idylwood (Virginia) | 3,664.88 mi (5,898.06 km) |
| Royston to Ilchester (Maryland) | 3,632.25 mi (5,845.54 km) |
| Royston to Immokalee (Florida) | 4,444.61 mi (7,152.90 km) |
| Royston to Imperial (California) | 5,402.21 mi (8,694.01 km) |
| Royston to Imperial Beach (California) | 5,468.15 mi (8,800.14 km) |
| Royston to Independence (Kentucky) | 3,954.03 mi (6,363.40 km) |
| Royston to Independence (Missouri) | 4,321.14 mi (6,954.20 km) |
| Royston to Indian Trail (North Carolina) | 3,983.38 mi (6,410.63 km) |
| Royston to Indiana (Pennsylvania) | 3,664.16 mi (5,896.90 km) |
| Royston to Indianapolis (Indiana) | 3,976.93 mi (6,400.26 km) |
