| Tucson Estates to Octeville | 5,328.64 mi (8,575.61 km) |
| Tucson Estates to Oignies | 5,459.16 mi (8,785.67 km) |
| Tucson Estates to Oissel | 5,439.49 mi (8,754.01 km) |
| Tucson Estates to Olivet | 5,530.84 mi (8,901.02 km) |
| Tucson Estates to Ollioules | 5,885.36 mi (9,471.58 km) |
| Tucson Estates to Olonne-sur-Mer | 5,447.14 mi (8,766.33 km) |
| Tucson Estates to Oloron-Sainte-Marie | 5,629.41 mi (9,059.65 km) |
| Tucson Estates to Onet Village | 5,706.34 mi (9,183.47 km) |
| Tucson Estates to Onnaing | 5,483.53 mi (8,824.88 km) |
| Tucson Estates to Orange | 5,801.13 mi (9,336.01 km) |
| Tucson Estates to Orchies | 5,467.59 mi (8,799.24 km) |
| Tucson Estates to Orleans | 5,529.51 mi (8,898.89 km) |
| Tucson Estates to Orly | 5,511.40 mi (8,869.74 km) |
| Tucson Estates to Ormesson-sur-Marne | 5,514.84 mi (8,875.28 km) |
| Tucson Estates to Orsay | 5,505.96 mi (8,860.98 km) |
