| Houston to Rochefort | 4,969.05 mi (7,996.91 km) |
| Houston to Rodez | 5,171.91 mi (8,323.38 km) |
| Houston to Rognac | 5,316.66 mi (8,556.33 km) |
| Houston to Roissy-en-Brie | 5,038.14 mi (8,108.10 km) |
| Houston to Romainville | 5,026.44 mi (8,089.28 km) |
| Houston to Romans-sur-Isere | 5,257.17 mi (8,460.59 km) |
| Houston to Rombas | 5,162.63 mi (8,308.45 km) |
| Houston to Romilly-sur-Seine | 5,090.52 mi (8,192.40 km) |
| Houston to Ronchin | 5,000.99 mi (8,048.31 km) |
| Houston to Roncq | 4,997.80 mi (8,043.18 km) |
| Houston to Roquebrune-sur-Argens | 5,379.62 mi (8,657.67 km) |
| Houston to Roquevaire | 5,337.64 mi (8,590.11 km) |
| Houston to Rosny-sous-Bois | 5,028.94 mi (8,093.30 km) |
| Houston to Roubaix | 5,002.12 mi (8,050.14 km) |
| Houston to Rouen | 4,954.95 mi (7,974.23 km) |
