| Hartsville to Montalegre | 4,069.21 mi (6,548.76 km) |
| Hartsville to Montemor-o-Novo | 4,136.87 mi (6,657.66 km) |
| Hartsville to Montemor-o-Velho | 4,071.55 mi (6,552.53 km) |
| Hartsville to Montijo | 4,102.34 mi (6,602.07 km) |
| Hartsville to Mortagua | 4,085.97 mi (6,575.73 km) |
| Hartsville to Moura | 4,189.53 mi (6,742.40 km) |
| Hartsville to Murtosa | 4,058.48 mi (6,531.50 km) |
| Hartsville to Nazare | 4,068.53 mi (6,547.67 km) |
| Hartsville to Nelas | 4,102.13 mi (6,601.73 km) |
| Hartsville to Obidos | 4,070.78 mi (6,551.29 km) |
| Hartsville to Odemira | 4,147.05 mi (6,674.03 km) |
| Hartsville to Odivelas | 4,085.56 mi (6,575.07 km) |
| Hartsville to Oeiras | 4,081.81 mi (6,569.05 km) |
| Hartsville to Olhao | 4,202.84 mi (6,763.81 km) |
| Hartsville to Oliveira de Azemeis | 4,063.20 mi (6,539.08 km) |
