| Royston to Gaeta | 984.42 mi (1,584.27 km) |
| Royston to Gaggiano | 616.30 mi (991.84 km) |
| Royston to Galatina | 1,190.78 mi (1,916.37 km) |
| Royston to Galatone | 1,188.24 mi (1,912.29 km) |
| Royston to Galbiate | 606.16 mi (975.52 km) |
| Royston to Gallarate | 594.91 mi (957.41 km) |
| Royston to Galliate | 601.98 mi (968.79 km) |
| Royston to Gallipoli | 1,190.68 mi (1,916.21 km) |
| Royston to Gambettola | 788.82 mi (1,269.49 km) |
| Royston to Gambolo | 619.15 mi (996.42 km) |
| Royston to Garbagnate Milanese | 608.47 mi (979.24 km) |
| Royston to Gardone Val Trompia | 637.97 mi (1,026.71 km) |
| Royston to Garlasco | 623.90 mi (1,004.07 km) |
| Royston to Gassino Torinese | 596.90 mi (960.62 km) |
| Royston to Gatteo | 791.33 mi (1,273.53 km) |
