| Harper Woods to Oststeinbek | 4,057.84 mi (6,530.46 km) |
| Harper Woods to Ottendorf-Okrilla | 4,275.46 mi (6,880.69 km) |
| Harper Woods to Ottersberg | 4,037.06 mi (6,497.01 km) |
| Harper Woods to Ottobrunn | 4,315.04 mi (6,944.39 km) |
| Harper Woods to Ottweiler | 4,093.75 mi (6,588.25 km) |
| Harper Woods to Overath | 4,043.39 mi (6,507.21 km) |
| Harper Woods to Oyten | 4,033.65 mi (6,491.53 km) |
| Harper Woods to Paderborn | 4,070.81 mi (6,551.33 km) |
| Harper Woods to Papenburg | 3,974.99 mi (6,397.13 km) |
| Harper Woods to Parchim | 4,121.13 mi (6,632.31 km) |
| Harper Woods to Pasewalk | 4,193.49 mi (6,748.77 km) |
| Harper Woods to Passau | 4,363.49 mi (7,022.36 km) |
| Harper Woods to Pattensen | 4,088.50 mi (6,579.81 km) |
| Harper Woods to Pegnitz | 4,245.95 mi (6,833.20 km) |
| Harper Woods to Peine | 4,103.51 mi (6,603.96 km) |
