| Memphis to Oerlinghausen | 4,686.64 mi (7,542.42 km) |
| Memphis to Oestrich-Winkel | 4,727.80 mi (7,608.65 km) |
| Memphis to Offenburg | 4,777.58 mi (7,688.77 km) |
| Memphis to Oftersheim | 4,772.04 mi (7,679.86 km) |
| Memphis to Ohrdruf | 4,803.11 mi (7,729.86 km) |
| Memphis to Ohringen | 4,813.61 mi (7,746.75 km) |
| Memphis to Olbernhau | 4,905.63 mi (7,894.85 km) |
| Memphis to Olching | 4,920.30 mi (7,918.45 km) |
| Memphis to Oldenburg | 4,630.81 mi (7,452.56 km) |
| Memphis to Oldenburg in Holstein | 4,687.28 mi (7,543.45 km) |
| Memphis to Olfen | 4,646.93 mi (7,478.51 km) |
| Memphis to Olpe | 4,687.16 mi (7,543.26 km) |
| Memphis to Olsberg | 4,700.57 mi (7,564.83 km) |
| Memphis to Oranienburg | 4,825.05 mi (7,765.17 km) |
| Memphis to Ortenberg | 4,756.19 mi (7,654.35 km) |
