| Gig Harbor to Montalegre | 5,101.24 mi (8,209.65 km) |
| Gig Harbor to Montemor-o-Novo | 5,255.73 mi (8,458.28 km) |
| Gig Harbor to Montemor-o-Velho | 5,159.21 mi (8,302.95 km) |
| Gig Harbor to Montijo | 5,230.43 mi (8,417.57 km) |
| Gig Harbor to Mortagua | 5,160.29 mi (8,304.68 km) |
| Gig Harbor to Moura | 5,309.65 mi (8,545.05 km) |
| Gig Harbor to Murtosa | 5,130.92 mi (8,257.42 km) |
| Gig Harbor to Nazare | 5,176.13 mi (8,330.18 km) |
| Gig Harbor to Nelas | 5,168.72 mi (8,318.26 km) |
| Gig Harbor to Obidos | 5,185.80 mi (8,345.74 km) |
| Gig Harbor to Odemira | 5,298.18 mi (8,526.60 km) |
| Gig Harbor to Odivelas | 5,215.09 mi (8,392.88 km) |
| Gig Harbor to Oeiras | 5,216.01 mi (8,394.36 km) |
| Gig Harbor to Olhao | 5,355.56 mi (8,618.94 km) |
| Gig Harbor to Oliveira de Azemeis | 5,130.60 mi (8,256.90 km) |
