| Millcreek to Oerlinghausen | 5,109.63 mi (8,223.15 km) |
| Millcreek to Oestrich-Winkel | 5,189.50 mi (8,351.70 km) |
| Millcreek to Offenburg | 5,265.22 mi (8,473.55 km) |
| Millcreek to Oftersheim | 5,239.20 mi (8,431.67 km) |
| Millcreek to Ohrdruf | 5,227.69 mi (8,413.15 km) |
| Millcreek to Ohringen | 5,275.60 mi (8,490.26 km) |
| Millcreek to Olbernhau | 5,309.87 mi (8,545.41 km) |
| Millcreek to Olching | 5,382.13 mi (8,661.71 km) |
| Millcreek to Oldenburg | 5,037.24 mi (8,106.66 km) |
| Millcreek to Oldenburg in Holstein | 5,052.31 mi (8,130.90 km) |
| Millcreek to Olfen | 5,084.69 mi (8,183.02 km) |
| Millcreek to Olpe | 5,133.16 mi (8,261.03 km) |
| Millcreek to Olsberg | 5,135.53 mi (8,264.84 km) |
| Millcreek to Oranienburg | 5,196.30 mi (8,362.64 km) |
| Millcreek to Ortenberg | 5,203.00 mi (8,373.43 km) |
