| Tucson Estates to Oerlinghausen | 5,580.77 mi (8,981.38 km) |
| Tucson Estates to Oestrich-Winkel | 5,649.70 mi (9,092.32 km) |
| Tucson Estates to Offenburg | 5,717.96 mi (9,202.16 km) |
| Tucson Estates to Oftersheim | 5,698.20 mi (9,170.36 km) |
| Tucson Estates to Ohrdruf | 5,699.56 mi (9,172.56 km) |
| Tucson Estates to Ohringen | 5,736.59 mi (9,232.14 km) |
| Tucson Estates to Olbernhau | 5,788.51 mi (9,315.70 km) |
| Tucson Estates to Olching | 5,844.24 mi (9,405.39 km) |
| Tucson Estates to Oldenburg | 5,512.48 mi (8,871.48 km) |
| Tucson Estates to Oldenburg in Holstein | 5,539.35 mi (8,914.72 km) |
| Tucson Estates to Olfen | 5,551.15 mi (8,933.72 km) |
| Tucson Estates to Olpe | 5,597.63 mi (9,008.51 km) |
| Tucson Estates to Olsberg | 5,603.36 mi (9,017.74 km) |
| Tucson Estates to Oranienburg | 5,683.09 mi (9,146.05 km) |
| Tucson Estates to Ortenberg | 5,667.94 mi (9,121.66 km) |
