| Westerville to Montalegre | 3,788.52 mi (6,097.04 km) |
| Westerville to Montemor-o-Novo | 3,865.22 mi (6,220.48 km) |
| Westerville to Montemor-o-Velho | 3,796.12 mi (6,109.27 km) |
| Westerville to Montijo | 3,831.32 mi (6,165.92 km) |
| Westerville to Mortagua | 3,809.37 mi (6,130.59 km) |
| Westerville to Moura | 3,918.51 mi (6,306.24 km) |
| Westerville to Murtosa | 3,781.45 mi (6,085.65 km) |
| Westerville to Nazare | 3,795.07 mi (6,107.58 km) |
| Westerville to Nelas | 3,824.94 mi (6,155.64 km) |
| Westerville to Obidos | 3,798.10 mi (6,112.46 km) |
| Westerville to Odemira | 3,878.95 mi (6,242.57 km) |
| Westerville to Odivelas | 3,814.53 mi (6,138.90 km) |
| Westerville to Oeiras | 3,811.25 mi (6,133.61 km) |
| Westerville to Olhao | 3,935.44 mi (6,333.49 km) |
| Westerville to Oliveira de Azemeis | 3,785.72 mi (6,092.54 km) |
