| Flower Mound to Octeville | 4,745.52 mi (7,637.17 km) |
| Flower Mound to Oignies | 4,900.44 mi (7,886.49 km) |
| Flower Mound to Oissel | 4,863.60 mi (7,827.21 km) |
| Flower Mound to Olivet | 4,945.12 mi (7,958.40 km) |
| Flower Mound to Ollioules | 5,277.09 mi (8,492.65 km) |
| Flower Mound to Olonne-sur-Mer | 4,836.70 mi (7,783.92 km) |
| Flower Mound to Oloron-Sainte-Marie | 4,996.15 mi (8,040.53 km) |
| Flower Mound to Onet Village | 5,094.45 mi (8,198.72 km) |
| Flower Mound to Onnaing | 4,926.38 mi (7,928.25 km) |
| Flower Mound to Orange | 5,196.33 mi (8,362.68 km) |
| Flower Mound to Orchies | 4,909.87 mi (7,901.67 km) |
| Flower Mound to Orleans | 4,944.16 mi (7,956.85 km) |
| Flower Mound to Orly | 4,935.15 mi (7,942.36 km) |
| Flower Mound to Ormesson-sur-Marne | 4,939.51 mi (7,949.37 km) |
| Flower Mound to Orsay | 4,928.53 mi (7,931.70 km) |
