| Collinsville to Oberkirch | 4,608.55 mi (7,416.75 km) |
| Collinsville to Obernburg am Main | 4,599.85 mi (7,402.74 km) |
| Collinsville to Obernkirchen | 4,509.15 mi (7,256.78 km) |
| Collinsville to Oberschleissheim | 4,752.26 mi (7,648.02 km) |
| Collinsville to Oberstdorf | 4,736.11 mi (7,622.02 km) |
| Collinsville to Obertraubling | 4,746.42 mi (7,638.62 km) |
| Collinsville to Obertshausen | 4,579.86 mi (7,370.57 km) |
| Collinsville to Oberursel | 4,565.21 mi (7,347.00 km) |
| Collinsville to Ochsenfurt | 4,641.61 mi (7,469.95 km) |
| Collinsville to Ochsenhausen | 4,697.67 mi (7,560.16 km) |
| Collinsville to Ochtrup | 4,441.67 mi (7,148.17 km) |
| Collinsville to Odenthal | 4,480.60 mi (7,210.83 km) |
| Collinsville to Oelde | 4,489.89 mi (7,225.79 km) |
| Collinsville to Oelsnitz | 4,689.24 mi (7,546.60 km) |
| Collinsville to Oer-Erkenschwick | 4,463.84 mi (7,183.86 km) |
