| Castro Valley to Rochefort | 5,600.88 mi (9,013.74 km) |
| Castro Valley to Rodez | 5,797.87 mi (9,330.78 km) |
| Castro Valley to Rognac | 5,928.55 mi (9,541.07 km) |
| Castro Valley to Roissy-en-Brie | 5,568.92 mi (8,962.31 km) |
| Castro Valley to Romainville | 5,557.56 mi (8,944.02 km) |
| Castro Valley to Romans-sur-Isere | 5,839.48 mi (9,397.73 km) |
| Castro Valley to Rombas | 5,645.14 mi (9,084.98 km) |
| Castro Valley to Romilly-sur-Seine | 5,615.37 mi (9,037.07 km) |
| Castro Valley to Ronchin | 5,487.42 mi (8,831.16 km) |
| Castro Valley to Roncq | 5,480.61 mi (8,820.20 km) |
| Castro Valley to Roquebrune-sur-Argens | 5,974.99 mi (9,615.82 km) |
| Castro Valley to Roquevaire | 5,947.74 mi (9,571.97 km) |
| Castro Valley to Rosny-sous-Bois | 5,559.91 mi (8,947.80 km) |
| Castro Valley to Roubaix | 5,485.69 mi (8,828.36 km) |
| Castro Valley to Rouen | 5,488.21 mi (8,832.41 km) |
