| Alpena to Oststeinbek | 3,945.70 mi (6,349.99 km) |
| Alpena to Ottendorf-Okrilla | 4,165.54 mi (6,703.78 km) |
| Alpena to Ottersberg | 3,927.02 mi (6,319.93 km) |
| Alpena to Ottobrunn | 4,215.17 mi (6,783.66 km) |
| Alpena to Ottweiler | 3,995.63 mi (6,430.35 km) |
| Alpena to Overath | 3,940.87 mi (6,342.22 km) |
| Alpena to Oyten | 3,923.84 mi (6,314.81 km) |
| Alpena to Paderborn | 3,964.77 mi (6,380.68 km) |
| Alpena to Papenburg | 3,866.69 mi (6,222.84 km) |
| Alpena to Parchim | 4,007.74 mi (6,449.83 km) |
| Alpena to Pasewalk | 4,077.82 mi (6,562.63 km) |
| Alpena to Passau | 4,260.26 mi (6,856.22 km) |
| Alpena to Pattensen | 3,980.03 mi (6,405.23 km) |
| Alpena to Pegnitz | 4,141.99 mi (6,665.89 km) |
| Alpena to Peine | 3,994.44 mi (6,428.42 km) |
