| Port Glasgow to Rochefort | 708.97 mi (1,140.98 km) |
| Port Glasgow to Rodez | 861.45 mi (1,386.36 km) |
| Port Glasgow to Rognac | 965.28 mi (1,553.47 km) |
| Port Glasgow to Roissy-en-Brie | 582.02 mi (936.67 km) |
| Port Glasgow to Romainville | 571.59 mi (919.88 km) |
| Port Glasgow to Romans-sur-Isere | 863.74 mi (1,390.05 km) |
| Port Glasgow to Rombas | 645.32 mi (1,038.55 km) |
| Port Glasgow to Romilly-sur-Seine | 623.23 mi (1,002.99 km) |
| Port Glasgow to Ronchin | 488.18 mi (785.64 km) |
| Port Glasgow to Roncq | 481.01 mi (774.11 km) |
| Port Glasgow to Roquebrune-sur-Argens | 997.73 mi (1,605.70 km) |
| Port Glasgow to Roquevaire | 981.58 mi (1,579.70 km) |
| Port Glasgow to Rosny-sous-Bois | 573.69 mi (923.27 km) |
| Port Glasgow to Roubaix | 486.11 mi (782.32 km) |
| Port Glasgow to Rouen | 509.23 mi (819.53 km) |
