| Zionsville to Montalegre | 3,950.24 mi (6,357.30 km) |
| Zionsville to Montemor-o-Novo | 4,031.53 mi (6,488.13 km) |
| Zionsville to Montemor-o-Velho | 3,960.68 mi (6,374.10 km) |
| Zionsville to Montijo | 3,997.94 mi (6,434.07 km) |
| Zionsville to Mortagua | 3,973.33 mi (6,394.45 km) |
| Zionsville to Moura | 4,085.07 mi (6,574.29 km) |
| Zionsville to Murtosa | 3,945.20 mi (6,349.18 km) |
| Zionsville to Nazare | 3,960.59 mi (6,373.96 km) |
| Zionsville to Nelas | 3,988.58 mi (6,418.99 km) |
| Zionsville to Obidos | 3,963.99 mi (6,379.42 km) |
| Zionsville to Odemira | 4,046.78 mi (6,512.66 km) |
| Zionsville to Odivelas | 3,981.16 mi (6,407.06 km) |
| Zionsville to Oeiras | 3,978.08 mi (6,402.10 km) |
| Zionsville to Olhao | 4,103.52 mi (6,603.98 km) |
| Zionsville to Oliveira de Azemeis | 3,949.24 mi (6,355.69 km) |
