| Duncan to Os | 4,600.63 mi (7,404.00 km) |
| Duncan to Oslo | 4,766.98 mi (7,671.71 km) |
| Duncan to Porsgrunn | 4,766.77 mi (7,671.37 km) |
| Duncan to Randaberg | 4,646.50 mi (7,477.81 km) |
| Duncan to Ringsaker | 4,726.83 mi (7,607.09 km) |
| Duncan to Royken | 4,764.76 mi (7,668.14 km) |
| Duncan to Rygge | 4,786.73 mi (7,703.50 km) |
| Duncan to Sand | 4,781.37 mi (7,694.87 km) |
| Duncan to Sande | 4,763.56 mi (7,666.21 km) |
| Duncan to Sandefjord | 4,781.28 mi (7,694.73 km) |
| Duncan to Sandnes | 4,655.38 mi (7,492.12 km) |
| Duncan to Sandvika | 4,761.67 mi (7,663.16 km) |
| Duncan to Sarpsborg | 4,801.79 mi (7,727.74 km) |
| Duncan to Sem | 4,778.96 mi (7,690.99 km) |
| Duncan to Ski | 4,777.98 mi (7,689.42 km) |
