| Gahanna to Oliveira de Frades | 3,803.56 mi (6,121.24 km) |
| Gahanna to Oliveira do Bairro | 3,794.59 mi (6,106.80 km) |
| Gahanna to Oliveira do Hospital | 3,829.51 mi (6,163.00 km) |
| Gahanna to Ourem | 3,817.62 mi (6,143.87 km) |
| Gahanna to Ovar | 3,777.85 mi (6,079.87 km) |
| Gahanna to Pacos de Ferreira | 3,777.01 mi (6,078.51 km) |
| Gahanna to Palmela | 3,835.01 mi (6,171.85 km) |
| Gahanna to Paredes | 3,782.11 mi (6,086.72 km) |
| Gahanna to Paredes de Coura | 3,750.54 mi (6,035.91 km) |
| Gahanna to Penacova | 3,812.26 mi (6,135.23 km) |
| Gahanna to Penafiel | 3,784.25 mi (6,090.16 km) |
| Gahanna to Peniche | 3,788.47 mi (6,096.96 km) |
| Gahanna to Peso da Regua | 3,809.29 mi (6,130.46 km) |
| Gahanna to Pinhal Novo | 3,832.33 mi (6,167.54 km) |
| Gahanna to Pinhel | 3,854.12 mi (6,202.60 km) |
