| Rock Hill to Montalegre | 3,874.19 mi (6,234.90 km) |
| Rock Hill to Montemor-o-Novo | 3,927.43 mi (6,320.59 km) |
| Rock Hill to Montemor-o-Velho | 3,867.99 mi (6,224.92 km) |
| Rock Hill to Montijo | 3,892.11 mi (6,263.74 km) |
| Rock Hill to Mortagua | 3,884.16 mi (6,250.95 km) |
| Rock Hill to Moura | 3,979.00 mi (6,403.58 km) |
| Rock Hill to Murtosa | 3,857.48 mi (6,208.01 km) |
| Rock Hill to Nazare | 3,862.00 mi (6,215.28 km) |
| Rock Hill to Nelas | 3,901.20 mi (6,278.37 km) |
| Rock Hill to Obidos | 3,863.08 mi (6,217.03 km) |
| Rock Hill to Odemira | 3,932.62 mi (6,328.94 km) |
| Rock Hill to Odivelas | 3,875.41 mi (6,236.86 km) |
| Rock Hill to Oeiras | 3,871.03 mi (6,229.82 km) |
| Rock Hill to Olhao | 3,987.25 mi (6,416.86 km) |
| Rock Hill to Oliveira de Azemeis | 3,862.87 mi (6,216.69 km) |
