| Denison to Oberkirch | 5,106.70 mi (8,218.43 km) |
| Denison to Obernburg am Main | 5,096.96 mi (8,202.76 km) |
| Denison to Obernkirchen | 5,004.21 mi (8,053.50 km) |
| Denison to Oberschleissheim | 5,249.70 mi (8,448.58 km) |
| Denison to Oberstdorf | 5,234.31 mi (8,423.81 km) |
| Denison to Obertraubling | 5,243.19 mi (8,438.10 km) |
| Denison to Obertshausen | 5,076.90 mi (8,170.48 km) |
| Denison to Oberursel | 5,062.23 mi (8,146.87 km) |
| Denison to Ochsenfurt | 5,138.57 mi (8,269.74 km) |
| Denison to Ochsenhausen | 5,195.63 mi (8,361.55 km) |
| Denison to Ochtrup | 4,937.49 mi (7,946.12 km) |
| Denison to Odenthal | 4,977.43 mi (8,010.41 km) |
| Denison to Oelde | 4,985.73 mi (8,023.75 km) |
| Denison to Oelsnitz | 5,184.85 mi (8,344.21 km) |
| Denison to Oer-Erkenschwick | 4,960.15 mi (7,982.59 km) |
