| Greeley to Opwijk | 4,811.89 mi (7,743.99 km) |
| Greeley to Ostend | 4,758.14 mi (7,657.49 km) |
| Greeley to Oud-Heverlee | 4,833.95 mi (7,779.49 km) |
| Greeley to Oud-Turnhout | 4,822.90 mi (7,761.70 km) |
| Greeley to Oudenaarde | 4,797.47 mi (7,720.78 km) |
| Greeley to Oudenburg | 4,762.70 mi (7,664.83 km) |
| Greeley to Oupeye | 4,872.01 mi (7,840.74 km) |
| Greeley to Overijse | 4,831.72 mi (7,775.91 km) |
| Greeley to Overpelt | 4,841.64 mi (7,791.87 km) |
| Greeley to Paal | 4,841.56 mi (7,791.74 km) |
| Greeley to Peer | 4,846.63 mi (7,799.89 km) |
| Greeley to Pepinster | 4,884.16 mi (7,860.30 km) |
| Greeley to Peruwelz | 4,811.56 mi (7,743.46 km) |
| Greeley to Perwez | 4,848.24 mi (7,802.49 km) |
| Greeley to Philippeville | 4,858.29 mi (7,818.66 km) |
