| Elkhart to Oberkirch | 4,310.45 mi (6,937.00 km) |
| Elkhart to Obernburg am Main | 4,301.70 mi (6,922.91 km) |
| Elkhart to Obernkirchen | 4,211.33 mi (6,777.49 km) |
| Elkhart to Oberschleissheim | 4,454.10 mi (7,168.18 km) |
| Elkhart to Oberstdorf | 4,438.02 mi (7,142.30 km) |
| Elkhart to Obertraubling | 4,448.29 mi (7,158.83 km) |
| Elkhart to Obertshausen | 4,281.71 mi (6,890.75 km) |
| Elkhart to Oberursel | 4,267.07 mi (6,867.18 km) |
| Elkhart to Ochsenfurt | 4,343.47 mi (6,990.14 km) |
| Elkhart to Ochsenhausen | 4,399.53 mi (7,080.37 km) |
| Elkhart to Ochtrup | 4,143.69 mi (6,668.62 km) |
| Elkhart to Odenthal | 4,182.47 mi (6,731.03 km) |
| Elkhart to Oelde | 4,191.91 mi (6,746.23 km) |
| Elkhart to Oelsnitz | 4,391.29 mi (7,067.11 km) |
| Elkhart to Oer-Erkenschwick | 4,165.78 mi (6,704.18 km) |
