| Killarney to Montemor-o-Novo | 928.54 mi (1,494.33 km) |
| Killarney to Montemor-o-Velho | 822.60 mi (1,323.84 km) |
| Killarney to Montijo | 924.62 mi (1,488.03 km) |
| Killarney to Mortagua | 805.51 mi (1,296.35 km) |
| Killarney to Moura | 967.27 mi (1,556.68 km) |
| Killarney to Murtosa | 783.61 mi (1,261.10 km) |
| Killarney to Nazare | 861.08 mi (1,385.77 km) |
| Killarney to Nelas | 801.34 mi (1,289.63 km) |
| Killarney to Obidos | 877.69 mi (1,412.51 km) |
| Killarney to Odemira | 1,001.06 mi (1,611.05 km) |
| Killarney to Odivelas | 916.90 mi (1,475.61 km) |
| Killarney to Oeiras | 924.20 mi (1,487.36 km) |
| Killarney to Olhao | 1,041.83 mi (1,676.66 km) |
| Killarney to Oliveira de Azemeis | 776.68 mi (1,249.94 km) |
| Killarney to Oliveira de Frades | 786.16 mi (1,265.21 km) |
