| Tarpon Springs to Montalegre | 4,213.93 mi (6,781.66 km) |
| Tarpon Springs to Montemor-o-Novo | 4,244.80 mi (6,831.35 km) |
| Tarpon Springs to Montemor-o-Velho | 4,195.13 mi (6,751.41 km) |
| Tarpon Springs to Montijo | 4,208.53 mi (6,772.98 km) |
| Tarpon Springs to Mortagua | 4,213.84 mi (6,781.52 km) |
| Tarpon Springs to Moura | 4,294.13 mi (6,910.73 km) |
| Tarpon Springs to Murtosa | 4,188.60 mi (6,740.90 km) |
| Tarpon Springs to Nazare | 4,184.59 mi (6,734.44 km) |
| Tarpon Springs to Nelas | 4,232.04 mi (6,810.81 km) |
| Tarpon Springs to Obidos | 4,183.83 mi (6,733.22 km) |
| Tarpon Springs to Odemira | 4,241.73 mi (6,826.41 km) |
| Tarpon Springs to Odivelas | 4,192.11 mi (6,746.55 km) |
| Tarpon Springs to Oeiras | 4,186.74 mi (6,737.90 km) |
| Tarpon Springs to Olhao | 4,293.90 mi (6,910.36 km) |
| Tarpon Springs to Oliveira de Azemeis | 4,194.96 mi (6,751.14 km) |
