| New Port Richey to Montalegre | 4,207.83 mi (6,771.85 km) |
| New Port Richey to Montemor-o-Novo | 4,238.97 mi (6,821.97 km) |
| New Port Richey to Montemor-o-Velho | 4,189.18 mi (6,741.83 km) |
| New Port Richey to Montijo | 4,202.71 mi (6,763.61 km) |
| New Port Richey to Mortagua | 4,207.86 mi (6,771.90 km) |
| New Port Richey to Moura | 4,288.33 mi (6,901.39 km) |
| New Port Richey to Murtosa | 4,182.60 mi (6,731.25 km) |
| New Port Richey to Nazare | 4,178.69 mi (6,724.95 km) |
| New Port Richey to Nelas | 4,226.05 mi (6,801.17 km) |
| New Port Richey to Obidos | 4,177.95 mi (6,723.76 km) |
| New Port Richey to Odemira | 4,236.00 mi (6,817.18 km) |
| New Port Richey to Odivelas | 4,186.28 mi (6,737.17 km) |
| New Port Richey to Oeiras | 4,180.92 mi (6,728.54 km) |
| New Port Richey to Olhao | 4,288.19 mi (6,901.18 km) |
| New Port Richey to Oliveira de Azemeis | 4,188.96 mi (6,741.47 km) |
