| Houston to Plombieres | 5,108.94 mi (8,222.05 km) |
| Houston to Pont-a-Celles | 5,053.90 mi (8,133.46 km) |
| Houston to Poperinge | 4,979.24 mi (8,013.31 km) |
| Houston to Profondeville | 5,078.15 mi (8,172.50 km) |
| Houston to Putte | 5,047.90 mi (8,123.81 km) |
| Houston to Puurs | 5,033.38 mi (8,100.45 km) |
| Houston to Quaregnon | 5,036.93 mi (8,106.15 km) |
| Houston to Raeren | 5,117.00 mi (8,235.02 km) |
| Houston to Ranst | 5,040.02 mi (8,111.13 km) |
| Houston to Ravels | 5,052.21 mi (8,130.75 km) |
| Houston to Retie | 5,057.91 mi (8,139.91 km) |
| Houston to Riemst | 5,093.04 mi (8,196.46 km) |
| Houston to Rijkevorsel | 5,043.75 mi (8,117.12 km) |
| Houston to Rixensart | 5,054.35 mi (8,134.20 km) |
| Houston to Rochefort | 5,098.41 mi (8,205.10 km) |
