| Boulder to Os | 4,486.59 mi (7,220.48 km) |
| Boulder to Oslo | 4,639.97 mi (7,467.31 km) |
| Boulder to Porsgrunn | 4,649.40 mi (7,482.48 km) |
| Boulder to Randaberg | 4,542.58 mi (7,310.58 km) |
| Boulder to Ringsaker | 4,590.69 mi (7,388.00 km) |
| Boulder to Royken | 4,640.16 mi (7,467.61 km) |
| Boulder to Rygge | 4,664.12 mi (7,506.17 km) |
| Boulder to Sand | 4,662.23 mi (7,503.14 km) |
| Boulder to Sande | 4,640.77 mi (7,468.60 km) |
| Boulder to Sandefjord | 4,662.20 mi (7,503.08 km) |
| Boulder to Sandnes | 4,552.39 mi (7,326.37 km) |
| Boulder to Sandvika | 4,635.59 mi (7,460.25 km) |
| Boulder to Sarpsborg | 4,678.63 mi (7,529.53 km) |
| Boulder to Sem | 4,658.33 mi (7,496.85 km) |
| Boulder to Ski | 4,651.87 mi (7,486.46 km) |
