| Van Buren to Olympia (Washington) | 1,672.02 mi (2,690.85 km) |
| Van Buren to Olympia Heights (Florida) | 1,068.60 mi (1,719.75 km) |
| Van Buren to Omaha (Nebraska) | 412.14 mi (663.27 km) |
| Van Buren to On Top of the World Designated Place (Florida) | 829.00 mi (1,334.14 km) |
| Van Buren to Onalaska (Wisconsin) | 606.54 mi (976.13 km) |
| Van Buren to Oneida (New York) | 1,126.74 mi (1,813.31 km) |
| Van Buren to Oneonta (New York) | 1,140.30 mi (1,835.13 km) |
| Van Buren to Ontario (California) | 1,320.75 mi (2,125.54 km) |
| Van Buren to Ontario (Oregon) | 1,334.18 mi (2,147.16 km) |
| Van Buren to Opa-locka (Florida) | 1,064.35 mi (1,712.91 km) |
| Van Buren to Opelika (Alabama) | 548.45 mi (882.65 km) |
| Van Buren to Opelousas (Louisiana) | 364.70 mi (586.93 km) |
| Van Buren to Orange (California) | 1,336.02 mi (2,150.12 km) |
| Van Buren to Orange (Texas) | 369.57 mi (594.77 km) |
| Van Buren to Orange City (Florida) | 885.44 mi (1,424.98 km) |
