| Burr Ridge to Montalegre | 3,963.29 mi (6,378.30 km) |
| Burr Ridge to Montemor-o-Novo | 4,053.45 mi (6,523.40 km) |
| Burr Ridge to Montemor-o-Velho | 3,979.14 mi (6,403.80 km) |
| Burr Ridge to Montijo | 4,020.56 mi (6,470.46 km) |
| Burr Ridge to Mortagua | 3,990.57 mi (6,422.21 km) |
| Burr Ridge to Moura | 4,107.43 mi (6,610.28 km) |
| Burr Ridge to Murtosa | 3,962.08 mi (6,376.35 km) |
| Burr Ridge to Nazare | 3,980.98 mi (6,406.77 km) |
| Burr Ridge to Nelas | 4,005.18 mi (6,445.71 km) |
| Burr Ridge to Obidos | 3,985.12 mi (6,413.43 km) |
| Burr Ridge to Odemira | 4,071.94 mi (6,553.15 km) |
| Burr Ridge to Odivelas | 4,003.81 mi (6,443.51 km) |
| Burr Ridge to Oeiras | 4,001.17 mi (6,439.26 km) |
| Burr Ridge to Olhao | 4,129.17 mi (6,645.26 km) |
| Burr Ridge to Oliveira de Azemeis | 3,965.67 mi (6,382.12 km) |
