| Rocky River to Oliveira de Frades | 3,711.96 mi (5,973.82 km) |
| Rocky River to Oliveira do Bairro | 3,703.39 mi (5,960.04 km) |
| Rocky River to Oliveira do Hospital | 3,738.21 mi (6,016.06 km) |
| Rocky River to Ourem | 3,727.59 mi (5,998.97 km) |
| Rocky River to Ovar | 3,686.28 mi (5,932.49 km) |
| Rocky River to Pacos de Ferreira | 3,684.81 mi (5,930.13 km) |
| Rocky River to Palmela | 3,746.57 mi (6,029.53 km) |
| Rocky River to Paredes | 3,689.97 mi (5,938.43 km) |
| Rocky River to Paredes de Coura | 3,657.60 mi (5,886.34 km) |
| Rocky River to Penacova | 3,721.28 mi (5,988.81 km) |
| Rocky River to Penafiel | 3,692.08 mi (5,941.82 km) |
| Rocky River to Peniche | 3,699.24 mi (5,953.35 km) |
| Rocky River to Peso da Regua | 3,716.93 mi (5,981.82 km) |
| Rocky River to Pinhal Novo | 3,743.82 mi (6,025.10 km) |
| Rocky River to Pinhel | 3,761.90 mi (6,054.20 km) |
