| McAllen to Octeville | 5,136.78 mi (8,266.85 km) |
| McAllen to Oignies | 5,301.56 mi (8,532.03 km) |
| McAllen to Oissel | 5,257.33 mi (8,460.85 km) |
| McAllen to Olivet | 5,333.54 mi (8,583.51 km) |
| McAllen to Ollioules | 5,651.28 mi (9,094.86 km) |
| McAllen to Olonne-sur-Mer | 5,213.36 mi (8,390.10 km) |
| McAllen to Oloron-Sainte-Marie | 5,358.45 mi (8,623.60 km) |
| McAllen to Onet Village | 5,468.16 mi (8,800.16 km) |
| McAllen to Onnaing | 5,327.99 mi (8,574.57 km) |
| McAllen to Orange | 5,573.04 mi (8,968.95 km) |
| McAllen to Orchies | 5,311.35 mi (8,547.79 km) |
| McAllen to Orleans | 5,332.76 mi (8,582.25 km) |
| McAllen to Orly | 5,328.15 mi (8,574.83 km) |
| McAllen to Ormesson-sur-Marne | 5,332.90 mi (8,582.48 km) |
| McAllen to Orsay | 5,321.03 mi (8,563.36 km) |
