| Southgate to Oberkirch | 421.91 mi (679.01 km) |
| Southgate to Obernburg am Main | 423.42 mi (681.43 km) |
| Southgate to Obernkirchen | 395.84 mi (637.05 km) |
| Southgate to Oberschleissheim | 569.20 mi (916.04 km) |
| Southgate to Oberstdorf | 549.62 mi (884.53 km) |
| Southgate to Obertraubling | 572.16 mi (920.80 km) |
| Southgate to Obertshausen | 405.24 mi (652.17 km) |
| Southgate to Oberursel | 391.48 mi (630.03 km) |
| Southgate to Ochsenfurt | 466.70 mi (751.09 km) |
| Southgate to Ochsenhausen | 511.15 mi (822.62 km) |
| Southgate to Ochtrup | 314.18 mi (505.63 km) |
| Southgate to Odenthal | 315.27 mi (507.38 km) |
| Southgate to Oelde | 354.25 mi (570.11 km) |
| Southgate to Oelsnitz | 540.14 mi (869.27 km) |
| Southgate to Oer-Erkenschwick | 316.22 mi (508.91 km) |
