| Millcreek to Oberkirch | 5,266.48 mi (8,475.58 km) |
| Millcreek to Obernburg am Main | 5,231.97 mi (8,420.04 km) |
| Millcreek to Obernkirchen | 5,107.39 mi (8,219.56 km) |
| Millcreek to Oberschleissheim | 5,386.96 mi (8,669.48 km) |
| Millcreek to Oberstdorf | 5,392.05 mi (8,677.67 km) |
| Millcreek to Obertraubling | 5,366.88 mi (8,637.16 km) |
| Millcreek to Obertshausen | 5,211.16 mi (8,386.56 km) |
| Millcreek to Oberursel | 5,196.53 mi (8,363.01 km) |
| Millcreek to Ochsenfurt | 5,269.30 mi (8,480.11 km) |
| Millcreek to Ochsenhausen | 5,347.48 mi (8,605.93 km) |
| Millcreek to Ochtrup | 5,054.60 mi (8,134.60 km) |
| Millcreek to Odenthal | 5,110.92 mi (8,225.24 km) |
| Millcreek to Oelde | 5,101.35 mi (8,209.83 km) |
| Millcreek to Oelsnitz | 5,290.26 mi (8,513.85 km) |
| Millcreek to Oer-Erkenschwick | 5,084.49 mi (8,182.70 km) |
