| Portland to Melun | 5,149.19 mi (8,286.82 km) |
| Portland to Mende | 5,397.90 mi (8,687.08 km) |
| Portland to Mennecy | 5,141.73 mi (8,274.82 km) |
| Portland to Menton | 5,551.58 mi (8,934.40 km) |
| Portland to Mericourt | 5,051.25 mi (8,129.20 km) |
| Portland to Merignac | 5,258.96 mi (8,463.48 km) |
| Portland to Meru | 5,096.41 mi (8,201.87 km) |
| Portland to Merville | 5,031.94 mi (8,098.12 km) |
| Portland to Mery-sur-Oise | 5,107.33 mi (8,219.45 km) |
| Portland to Metz | 5,209.11 mi (8,383.25 km) |
| Portland to Meudon | 5,122.65 mi (8,244.11 km) |
| Portland to Meylan | 5,422.18 mi (8,726.16 km) |
| Portland to Meyzieu | 5,369.15 mi (8,640.81 km) |
| Portland to Meze | 5,462.52 mi (8,791.08 km) |
| Portland to Millau | 5,409.44 mi (8,705.65 km) |
