| Rockville to Rochefort | 3,759.99 mi (6,051.12 km) |
| Rockville to Rodez | 3,961.72 mi (6,375.77 km) |
| Rockville to Rognac | 4,106.72 mi (6,609.13 km) |
| Rockville to Roissy-en-Brie | 3,842.44 mi (6,183.82 km) |
| Rockville to Romainville | 3,830.88 mi (6,165.20 km) |
| Rockville to Romans-sur-Isere | 4,051.13 mi (6,519.67 km) |
| Rockville to Rombas | 3,973.52 mi (6,394.77 km) |
| Rockville to Romilly-sur-Seine | 3,895.03 mi (6,268.45 km) |
| Rockville to Ronchin | 3,814.06 mi (6,138.13 km) |
| Rockville to Roncq | 3,811.65 mi (6,134.26 km) |
| Rockville to Roquebrune-sur-Argens | 4,170.90 mi (6,712.41 km) |
| Rockville to Roquevaire | 4,127.72 mi (6,642.92 km) |
| Rockville to Rosny-sous-Bois | 3,833.36 mi (6,169.19 km) |
| Rockville to Roubaix | 3,815.74 mi (6,140.85 km) |
| Rockville to Rouen | 3,760.14 mi (6,051.36 km) |
