| Provo to Oberkirch | 5,285.49 mi (8,506.18 km) |
| Provo to Obernburg am Main | 5,251.62 mi (8,451.67 km) |
| Provo to Obernkirchen | 5,127.79 mi (8,252.38 km) |
| Provo to Oberschleissheim | 5,406.68 mi (8,701.22 km) |
| Provo to Oberstdorf | 5,411.22 mi (8,708.52 km) |
| Provo to Obertraubling | 5,386.95 mi (8,669.45 km) |
| Provo to Obertshausen | 5,230.82 mi (8,418.19 km) |
| Provo to Oberursel | 5,216.18 mi (8,394.63 km) |
| Provo to Ochsenfurt | 5,289.10 mi (8,511.98 km) |
| Provo to Ochsenhausen | 5,366.77 mi (8,636.98 km) |
| Provo to Ochtrup | 5,074.59 mi (8,166.76 km) |
| Provo to Odenthal | 5,130.52 mi (8,256.78 km) |
| Provo to Oelde | 5,121.41 mi (8,242.12 km) |
| Provo to Oelsnitz | 5,310.74 mi (8,546.81 km) |
| Provo to Oer-Erkenschwick | 5,104.31 mi (8,214.60 km) |
