| The Woodlands to Olivares | 4,958.01 mi (7,979.15 km) |
| The Woodlands to Olivenza | 4,875.06 mi (7,845.65 km) |
| The Woodlands to Olot | 5,224.94 mi (8,408.73 km) |
| The Woodlands to Onate | 4,975.35 mi (8,007.05 km) |
| The Woodlands to Onda | 5,168.12 mi (8,317.28 km) |
| The Woodlands to Onteniente | 5,187.42 mi (8,348.35 km) |
| The Woodlands to Orihuela | 5,194.10 mi (8,359.10 km) |
| The Woodlands to Osuna | 5,015.71 mi (8,072.00 km) |
| The Woodlands to Ourense | 4,740.51 mi (7,629.11 km) |
| The Woodlands to Oviedo | 4,808.23 mi (7,738.09 km) |
| The Woodlands to Paiporta | 5,177.50 mi (8,332.38 km) |
| The Woodlands to Pajara | 4,793.27 mi (7,714.03 km) |
| The Woodlands to Palafolls | 5,253.47 mi (8,454.65 km) |
| The Woodlands to Palafrugell | 5,264.07 mi (8,471.70 km) |
| The Woodlands to Palamos | 5,264.87 mi (8,472.99 km) |
